The Illinois Supreme Court has created new rules to deal with a state law that decriminalizes possessing small amounts of marijuana.

On Thursday Illinois adopted six new rules to establish procedures for the court system to follow when handling civil law violations. The new rules change things like appearance dates, court notices, fines and penalties.

Also under the law, anyone who is now found with up to 10 grams of marijuana on them, will likely just receive a fine of $100 to $200. The state Supreme Court says that type of penalty officailly didn’t exist until the measure became law.